Hair color comparison device



FIG. 1 is a front elevational view of a hair color comparison device in accordance with my new design.

FIG. 2 is a right end elevational view.

FIG. 3 is a top plan view.

FIG. 4 is a rear elevational view.

FIG. 5 is a left end elevational view.

FIG. 6 is a bottom plan view. 

The ornamental design for a hair color comparison device, as shown. 